Employee Benefit Plan, Schedule, Asset Held for Investment (Details) - EBP Third Federal 401(k) Savings Plan
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3 Months Ended |
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Dec. 31, 2025
USD ($)
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| EBP, Schedule of Asset Held for Investment [Abstract] |
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| Entity Tax Identification Number |
34-0573493
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| EBP, Plan Number |
002
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution |
$ 2,808,933
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
220,977,254
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| EBP, Asset Held for Investment |
$ 223,786,187
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| Entity Tax Identification Number |
34-0573493
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| EBP, Plan Number |
002
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| Minimum |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Asset Held for Investment, Participant Loan, Interest Rate |
4.25%
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| Maximum |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Asset Held for Investment, Participant Loan, Interest Rate |
9.50%
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| Investment, Identifier [Axis]: AB/Brown/Emerald Smallcap Growth I Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 8,243,309
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| Investment, Identifier [Axis]: American Balanced R6 Fund |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 21,690,220
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| Investment, Identifier [Axis]: Europacific Growth R6 Fund |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 7,097,136
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| Investment, Identifier [Axis]: Fidelity Mid CP Index Fund |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 729,687
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| Investment, Identifier [Axis]: Goldman Sachs Bond R6 Fund |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 1,915,741
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| Investment, Identifier [Axis]: Growth Fund of America R6 Fund |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 26,973,397
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| Investment, Identifier [Axis]: Principal Core Plus Bond Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 5,218,342
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| Investment, Identifier [Axis]: Principal Large Cap S&P 500 Index Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 29,605,501
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| Investment, Identifier [Axis]: Principal LifeTime 2015 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
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| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 352,935
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| Investment, Identifier [Axis]: Principal LifeTime 2020 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 979,239
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| Investment, Identifier [Axis]: Principal LifeTime 2025 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
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| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 7,211,475
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| Investment, Identifier [Axis]: Principal LifeTime 2030 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 10,703,087
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| Investment, Identifier [Axis]: Principal LifeTime 2035 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 7,714,299
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| Investment, Identifier [Axis]: Principal LifeTime 2040 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 8,115,619
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| Investment, Identifier [Axis]: Principal LifeTime 2045 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 6,658,440
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| Investment, Identifier [Axis]: Principal LifeTime 2050 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 4,523,727
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| Investment, Identifier [Axis]: Principal LifeTime 2055 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 3,062,259
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| Investment, Identifier [Axis]: Principal LifeTime 2060 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
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| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 990,716
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| Investment, Identifier [Axis]: Principal LifeTime 2065 Separate Account |
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| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 761,280
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| Investment, Identifier [Axis]: Principal LifeTime 2070 Separate Account |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 56,972
|
| Investment, Identifier [Axis]: Principal LifeTime Strategic Income Separate Account |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 299,678
|
| Investment, Identifier [Axis]: Principal Mid Cap Separate Account |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
EBP, Pooled Separate Account
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 12,433,289
|
| Investment, Identifier [Axis]: Putnam International Equity Y Fund |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 6,756,707
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| Investment, Identifier [Axis]: TFS Financial Corporation Common Stock |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Stock
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 14,834,206
|
| Investment, Identifier [Axis]: Third Federal S&L Certificate of Deposit Portfolio 0.499% - 4.426% |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Certificates of Deposit
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 12,792,949
|
| Investment, Identifier [Axis]: US Small Cap I Fund |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 4,692,217
|
| Investment, Identifier [Axis]: US Targeted Value I Fund |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 65,835
|
| Investment, Identifier [Axis]: Vanguard Federal Money Market Investment Fund |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 10,094,105
|
| Investment, Identifier [Axis]: Vanguard Select Value Investment Fund |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 1,522,017
|
| Investment, Identifier [Axis]: Westwood/Barrow Hanley Largecap Value III Separate Account |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Investment, Issuer Name, Other [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Other Security Investments [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
EBP, Participant-Directed [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value |
$ 4,882,870
|